* {
  padding: 0;
  margin: 0;
}

body {
  width: 600px;
  margin:2em auto;
  padding: 0 2em;
  font-size: 14px;
  font-family: "Microsoft YaHei";
}

p {
  line-height: 24px;
  margin: 1em 0;
}

header {
  padding: 5em 0;
  border-bottom: 1px solid #cccccc;
}

nav {
  position: fixed;
  left: 12em;
  font-family: "Microsoft YaHei";
  font-size: 1.1em;
  text-transform: uppercase;
  width: 9em;
  text-align: right;
}

nav a {
  display: block;
  text-decoration: none;
  padding: .7em 1em;
  color: #000000;
}

nav a:hover {
  background: #ff0000;
  color: #f9f9f9;
  -webkit-transition: color .2s linear;
}

article {
  font-size: 16px;
  padding-top: .5em;
}

article a {
  color: #dd0000;
  text-decoration: none;
}

article a:hover {
  color: #333333;
  text-decoration: underline;
}

.info {
  font-size: 14px;
}